1.   Dioxin, the unwanted byproduct of some manufacturing processes, has been linked to cancer and reproductive- and immune-system disorders.

2.   Dioxin, an unwanted byproduct of burning materials containing chlorine, is one of the most toxic chemicals known to humans even in tiny amounts.

3.   In most American water systems, the unwanted byproducts form when the chlorine reacts to decayed vegetation and other organic carbon in water.

4.   In the meantime, you can remove these unwanted disinfectant byproducts with a carbon filter.

5.   One target of the group is pulp and paper mills, which produce dioxin in waste water as an unwanted byproduct of chlorine bleaching.

6.   The EPA says that to avoid these unwanted byproducts, more water suppliers are disinfecting with ozone instead.

7.   Unfortunately, some topsoil could be richer in heavy metals, spilled oil, pesticides or other unwanted byproducts of our industrial age.

8.   Alkaline water and spent grain were the unwanted byproducts of the brewing process.